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Shut-off full-opening common industrial purpose flange cast iron MZV gate valves with a rubber wedge non-rising stem intended for installation in drinking water pipelines according to SanPiN, flowing in systems of cold and hot water.
By resistance to influence of ambient air temperature and humidity, the gate valves correspond to NF, climatic category - 3, according to GOST 15150.

The gate valve bears a marking:

  • on the front side of the body, in cast metal - working pressure, working temperature, nominal diameter, material of body parts;

  • on the reverse side of the body, in cast metal - trademark of the manufacturer, year of manufacture, frame for gluing a self-destructive plate containing the factory serial number and the Euro-Asian conformity sign;

  • on the flywheel - an arrow indicating the rotation direction when closing and opening the valve.

When released from production, all products are subject to 100% final inspection and assigned an individual serial number.


Габаритные, присоединительные размеры, мм
Обозначение параметра Тип задвижки
МЗВГ-50 МЗВГ-80 МЗВГ-100
DN 50 80 100
D 165 200 220
D1 125 160 180
D0 140 200 200
L 150 180 190
B 118 160 188
d 18 18 18
n 4 4 8
H 323 406 463
h 240 306 353

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General technical requirements

Warranty lifetime - 3 years after commissioning. 
Guaranteed storage life - 3 years after manufacture. 
Guaranteed operating time – 400 cycles 
Total specified service life – 10 years. 
Average error-free running time – 600 cycles. 
Average resource before decommissioning – 1000 cycles

The product complies with the requirements of GOST 5762 Industrial Pipeline Fittings. Gate Valves for Nominal Pressure up to PN 250. General performance specifications. TS 3721-004-10836627-2016 MZVG Gate Valves.
Storage and transportation

Storage and transportation conditions of gate valves – category 5 (OZh4), according to GOST 15150: Sheds or rooms where temperature and humidity fluctuations do not significantly differ from those in the open air (tents, metal storages without thermal insulation) located in macroclimatic regions with a temperate and cold climate in any type of atmosphere. 
The gate valves can be transported by any means of transport in accordance with the shipping rules of goods, relevant for the selected transport.

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